Energy storage power supply



FIG. 1 is a front elevational view of an energy storage power supply showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear, bottom perspective view thereof;

FIG. 8 is a front, top perspective view thereof; and,

FIG. 9 is a rear, top perspective view of the energy storage power supply, shown in an open configuration.

The broken lines in the drawings are for the purpose of illustrating portions of the energy storage power supply that form no part of the claimed design. 

CLAIM The ornamental design for an energy storage power supply, as shown and described. 